title: An allelochemical from Myrica gale with strong phytotoxic activity against highly invasive Fallopia x bohemica taxa.
abstract: We report the identification of the allelochemical 3-(1-oxo-3-phenylpropyl)-1,1,5-trimethylcyclo-hexane-2,4,6-trione, known as myrigalone A, from the fruits and leaves of Myrica gale. The structure of the compound was confirmed by high-resolution techniques (UV, MS and NMR analysis). The compound is phytotoxic towards classical plant species used for allelochemical assays and also against Fallopia x bohemica, a highly invasive plant. Application of either powdered dry leaves or dry fruits of M. gale also showed in vitro phytotoxic activity. We hypothesize that M. gale could be used as a green allelopathic shield to control Fallopia x bohemica invasion, in addition to its potential use as an environmentally friendly herbicide.
authors.affiliation: Universite de Lyon, F-69622 Lyon, France, and Universite Lyon 1, Villeurbanne, CNRS, UMR5557, Ecologie Microbienne, 43 Boulevard du 11 Novembre 1918, F-69622 Villeurbanne Cedex, France. popojean@hotmail.com
authors.forename: Jean
authors.initials: J
authors.lastname: Popovici
authors.forename: Cedric
authors.initials: C
authors.lastname: Bertrand
authors.forename: Dominique
authors.initials: D
authors.lastname: Jacquemoud
authors.forename: Floriant
authors.initials: F
authors.lastname: Bellvert
authors.forename: Maria P
authors.initials: MP
authors.lastname: Fernandez
authors.forename: Gilles
authors.initials: G
authors.lastname: Comte
authors.forename: Florence
authors.initials: F
authors.lastname: Piola
mesh_terms: D002851:Chromatography, High Pressure Liquid; D045468:Fallopia japonica / Q000187:drug effects*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D031641:Myrica / Q000737:chemistry*; D010675:Pheromones / Q000737:chemistry / Q000494:pharmacology*
chemical_list: D010675:Pheromones